Mercurial > hg > Applications > TreeVNC
annotate src/main/java/com/glavsoft/rfb/protocol/ReceiverTask.java @ 166:26bc52699cf3
send initData to lower node.
author | oc |
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date | Thu, 19 Jun 2014 17:19:59 +0900 |
parents | 86289e56263c |
children | 1d3fa20b86bb |
rev | line source |
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17b702648079
version2.7.2 original version.
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1 // Copyright (C) 2010, 2011, 2012, 2013 GlavSoft LLC. |
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2 // All rights reserved. |
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3 // |
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4 //------------------------------------------------------------------------- |
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5 // This file is part of the TightVNC software. Please visit our Web site: |
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6 // |
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7 // http://www.tightvnc.com/ |
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8 // |
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9 // This program is free software; you can redistribute it and/or modify |
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10 // it under the terms of the GNU General Public License as published by |
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11 // the Free Software Foundation; either version 2 of the License, or |
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12 // (at your option) any later version. |
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13 // |
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14 // This program is distributed in the hope that it will be useful, |
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15 // but WITHOUT ANY WARRANTY; without even the implied warranty of |
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16 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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17 // GNU General Public License for more details. |
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18 // |
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19 // You should have received a copy of the GNU General Public License along |
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20 // with this program; if not, write to the Free Software Foundation, Inc., |
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21 // 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. |
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22 //------------------------------------------------------------------------- |
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23 // |
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24 |
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25 package com.glavsoft.rfb.protocol; |
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26 |
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27 import com.glavsoft.drawing.Renderer; |
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28 import com.glavsoft.exceptions.CommonException; |
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29 import com.glavsoft.exceptions.ProtocolException; |
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30 import com.glavsoft.exceptions.TransportException; |
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31 import com.glavsoft.rfb.ClipboardController; |
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32 import com.glavsoft.rfb.IRepaintController; |
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33 import com.glavsoft.rfb.client.FramebufferUpdateRequestMessage; |
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34 import com.glavsoft.rfb.client.SetPixelFormatMessage; |
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35 import com.glavsoft.rfb.encoding.EncodingType; |
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36 import com.glavsoft.rfb.encoding.PixelFormat; |
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37 import com.glavsoft.rfb.encoding.decoder.Decoder; |
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38 import com.glavsoft.rfb.encoding.decoder.DecodersContainer; |
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39 import com.glavsoft.rfb.encoding.decoder.FramebufferUpdateRectangle; |
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40 import com.glavsoft.rfb.encoding.decoder.RichCursorDecoder; |
66 | 41 import com.glavsoft.rfb.encoding.decoder.ZRLEESender; |
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42 import com.glavsoft.transport.Reader; |
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43 |
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44 import java.io.PrintWriter; |
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45 import java.io.StringWriter; |
164 | 46 import java.nio.ByteBuffer; |
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47 import java.util.logging.Logger; |
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48 |
35 | 49 import jp.ac.u_ryukyu.treevnc.MyRfbProto; |
125 | 50 import jp.ac.u_ryukyu.treevnc.client.TreeVncProtocol; |
35 | 51 |
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52 public class ReceiverTask implements Runnable { |
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53 private static final byte FRAMEBUFFER_UPDATE = 0; |
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54 private static final byte SET_COLOR_MAP_ENTRIES = 1; |
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55 private static final byte BELL = 2; |
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56 private static final byte SERVER_CUT_TEXT = 3; |
66 | 57 private static final byte Check_Delay = 11; |
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58 |
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59 |
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60 private static Logger logger = Logger.getLogger("com.glavsoft.rfb.protocol.ReceiverTask"); |
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61 private final Reader reader; |
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62 private volatile boolean isRunning = false; |
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63 private Renderer renderer; |
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64 private final IRepaintController repaintController; |
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65 private final ClipboardController clipboardController; |
16 | 66 protected final DecodersContainer decoders; |
67 protected FramebufferUpdateRequestMessage fullscreenFbUpdateIncrementalRequest; | |
68 protected final ProtocolContext context; | |
23 | 69 protected PixelFormat pixelFormat; |
70 protected boolean needSendPixelFormat; | |
35 | 71 private MyRfbProto rfb; |
66 | 72 private long checkCounter = 0; |
35 | 73 |
74 public ReceiverTask(Reader reader, | |
75 IRepaintController repaintController, ClipboardController clipboardController, | |
76 DecodersContainer decoders, ProtocolContext context, | |
77 MyRfbProto _rfb) { | |
78 rfb = _rfb; | |
65 | 79 this.reader = reader; |
80 this.repaintController = repaintController; | |
81 this.clipboardController = clipboardController; | |
82 this.context = context; | |
83 this.decoders = decoders; | |
84 if(!rfb.getCuiVersion()) | |
85 renderer = repaintController.createRenderer(reader, context.getFbWidth(), context.getFbHeight(),context.getPixelFormat()); | |
86 fullscreenFbUpdateIncrementalRequest = new FramebufferUpdateRequestMessage(0, 0, context.getFbWidth(), context.getFbHeight(), true); | |
103 | 87 if(rfb.isRoot()) { |
56 | 88 fullscreenFbUpdateIncrementalRequest.sendFullScreenRequest(); |
61
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89 connectionFinished(); |
56 | 90 } |
35 | 91 } |
92 | |
16 | 93 |
94 public ReceiverTask(Reader reader, | |
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95 IRepaintController repaintController, ClipboardController clipboardController, |
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96 DecodersContainer decoders, ProtocolContext context) { |
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97 this.reader = reader; |
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98 this.repaintController = repaintController; |
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99 this.clipboardController = clipboardController; |
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100 this.context = context; |
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101 this.decoders = decoders; |
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102 renderer = repaintController.createRenderer(reader, context.getFbWidth(), context.getFbHeight(), |
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103 context.getPixelFormat()); |
63 | 104 fullscreenFbUpdateIncrementalRequest = |
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105 new FramebufferUpdateRequestMessage(0, 0, context.getFbWidth(), context.getFbHeight(), true); |
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106 } |
16 | 107 |
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108 @Override |
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109 public void run() { |
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110 isRunning = true; |
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111 while (isRunning) { |
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112 try { |
103 | 113 if(! rfb.isRoot()) { |
114 // client has 8byte packet sequence number | |
68 | 115 reader.mark(28); |
103 | 116 getLost(reader); //check seq consistency |
68 | 117 } else { |
66 | 118 reader.mark(20); |
68 | 119 } |
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120 byte messageId = reader.readByte(); |
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121 switch (messageId) { |
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122 case FRAMEBUFFER_UPDATE: |
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123 // logger.fine("Server message: FramebufferUpdate (0)"); |
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124 framebufferUpdateMessage(); |
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125 break; |
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126 case SET_COLOR_MAP_ENTRIES: |
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127 logger.severe("Server message SetColorMapEntries is not implemented. Skip."); |
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128 setColorMapEntries(); |
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129 break; |
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130 case BELL: |
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131 logger.fine("Server message: Bell"); |
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132 // System.out.print("\0007"); |
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133 // System.out.flush(); |
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134 break; |
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135 case SERVER_CUT_TEXT: |
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136 logger.fine("Server message: CutText (3)"); |
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137 serverCutText(); |
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138 break; |
66 | 139 case Check_Delay: |
140 ZRLEESender sender = new ZRLEESender(rfb); | |
141 sender.readCheckDelay(reader); | |
142 /* | |
143 reader.readBytes(15); | |
144 System.out.println("delay_time="+(System.currentTimeMillis() - reader.readInt64())); | |
145 */ | |
146 break; | |
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147 default: |
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148 logger.severe("Unsupported server message. Id = " + messageId); |
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149 } |
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150 } catch (TransportException e) { |
133 | 151 logger.severe("Close session: " + e.getMessage()); |
103 | 152 if(!rfb.isRoot() && !(rfb.getTerminationType())) { |
35 | 153 System.out.println("task stop"); |
125 | 154 TreeVncProtocol echo = rfb.getEcho(); |
145
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155 int counter = 3; |
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156 while(counter-- > 0) { |
133 | 157 try { |
145
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158 echo.lostParent(rfb.getMyAddress(),rfb.getAcceptPort()); |
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159 break; |
133 | 160 } catch (Exception e1) { |
161 logger.severe("Cannot send lostHost: " + e1.getMessage()); | |
145
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162 sleep(3000); |
133 | 163 } |
36 | 164 } |
35 | 165 } else if (isRunning) { |
54 | 166 // logger.severe("Close proxy: "); |
167 // context.cleanUpSession("Connection closed."); | |
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168 } |
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169 stopTask(); |
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170 } catch (ProtocolException e) { |
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171 logger.severe(e.getMessage()); |
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172 if (isRunning) { |
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173 context.cleanUpSession(e.getMessage() + "\nConnection closed."); |
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174 } |
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175 stopTask(); |
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176 } catch (CommonException e) { |
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177 logger.severe(e.getMessage()); |
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178 if (isRunning) { |
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179 context.cleanUpSession("Connection closed.."); |
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180 } |
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181 stopTask(); |
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182 } catch (Throwable te) { |
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183 StringWriter sw = new StringWriter(); |
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184 PrintWriter pw = new PrintWriter(sw); |
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185 te.printStackTrace(pw); |
166 | 186 logger.severe(te.getMessage()); |
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187 if (isRunning) { |
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188 context.cleanUpSession(te.getMessage() + "\n" + sw.toString()); |
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189 } |
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190 stopTask(); |
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191 } |
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192 } |
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193 } |
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194 |
145
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195 private void sleep(int i) { |
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196 try { |
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197 Thread.sleep(i); |
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198 } catch (InterruptedException e) { |
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199 // nothing. |
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200 } |
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201 } |
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202 |
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203 |
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204 private void setColorMapEntries() throws TransportException { |
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205 reader.readByte(); // padding |
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206 reader.readUInt16(); // first color index |
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207 int length = reader.readUInt16(); |
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208 while (length-- > 0) { |
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209 reader.readUInt16(); // R |
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210 reader.readUInt16(); // G |
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211 reader.readUInt16(); // B |
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212 } |
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213 } |
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214 |
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215 private void serverCutText() throws TransportException { |
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216 reader.readByte(); // padding |
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217 reader.readInt16(); // padding |
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218 int length = reader.readInt32() & Integer.MAX_VALUE; |
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219 clipboardController.updateSystemClipboard(reader.readBytes(length)); |
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220 } |
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221 |
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222 public void framebufferUpdateMessage() throws CommonException { |
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223 reader.readByte(); // padding |
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224 int numberOfRectangles = reader.readUInt16(); |
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225 while (numberOfRectangles-- > 0) { |
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226 FramebufferUpdateRectangle rect = new FramebufferUpdateRectangle(); |
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227 rect.fill(reader); |
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228 |
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229 Decoder decoder = decoders.getDecoderByType(rect.getEncodingType()); |
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230 logger.finest(rect.toString() + (0 == numberOfRectangles ? "\n---" : "")); |
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231 if (decoder != null) { |
135
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232 decoder.decode(reader, renderer, rect); // TreeVNC processing here |
65 | 233 if(!(rfb.getCuiVersion())) |
234 repaintController.repaintBitmap(rect); | |
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235 } else if (rect.getEncodingType() == EncodingType.RICH_CURSOR) { |
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236 RichCursorDecoder.getInstance().decode(reader, renderer, rect); |
65 | 237 if(repaintController!=null) |
238 repaintController.repaintCursor(); | |
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239 } else if (rect.getEncodingType() == EncodingType.CURSOR_POS) { |
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240 renderer.decodeCursorPosition(rect); |
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241 repaintController.repaintCursor(); |
164 | 242 } else if (rect.getEncodingType() == EncodingType.DESKTOP_SIZE || rect.getEncodingType() == EncodingType.INIT_DATA ) { |
106
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243 fullscreenFbUpdateIncrementalRequest = |
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244 new FramebufferUpdateRequestMessage(0, 0, rect.width, rect.height, true); |
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245 rfb.setCuiVersion(false); |
164 | 246 if (rect.getEncodingType() == EncodingType.INIT_DATA) { |
247 int length = reader.readInt32(); | |
248 byte[] initData = new byte[length]; | |
249 reader.read(initData); | |
250 rfb.getContext().setInitData(initData); | |
166 | 251 reader.reset(); |
252 rfb.readSendData(length + 20, reader); // size of UpdateRectangleMessage with initData. | |
164 | 253 } |
106
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254 synchronized (renderer.getLock()) { |
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255 if(!(rfb.getCuiVersion())) |
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256 renderer = repaintController.createRenderer(reader, rect.width, rect.height,context.getPixelFormat()); |
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257 } |
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258 context.sendMessage(new FramebufferUpdateRequestMessage(0, 0, rect.width, rect.height, false)); |
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259 // repaintController.repaintCursor(); |
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260 } else |
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261 throw new CommonException("Unprocessed encoding: " + rect.toString()); |
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262 } |
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263 synchronized (this) { |
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264 if (needSendPixelFormat) { |
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265 needSendPixelFormat = false; |
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266 context.setPixelFormat(pixelFormat); |
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267 context.sendMessage(new SetPixelFormatMessage(pixelFormat)); |
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268 logger.fine("sent: "+pixelFormat); |
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269 context.sendRefreshMessage(); |
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270 logger.fine("sent: nonincremental fb update"); |
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271 } else { |
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272 context.sendMessage(fullscreenFbUpdateIncrementalRequest); |
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273 } |
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274 } |
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275 } |
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276 |
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277 public synchronized void queueUpdatePixelFormat(PixelFormat pf) { |
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278 pixelFormat = pf; |
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279 needSendPixelFormat = true; |
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280 // context.sendMessage(new FramebufferUpdateRequestMessage(0, 0, 1, 1, false)); |
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281 } |
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282 |
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283 public void stopTask() { |
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284 isRunning = false; |
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285 } |
61
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286 |
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287 private void connectionFinished() { |
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288 rfb.setReadyReconnect(true); |
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289 } |
66 | 290 |
89 | 291 private void getLost(Reader reader) throws Exception { |
292 long num = reader.readInt64(); | |
293 if(num != ++checkCounter) { | |
294 System.out.println("LostData" + (num - checkCounter)); | |
295 checkCounter = num; | |
66 | 296 } |
297 } | |
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298 } |